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AMCA 5.3 Pressure Drop
* Sizes are in inches.
12 in. x 12 in. (305mm x 305mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.01
1000
0.06
1500
0.13
2000
0.23
2500
0.37
3000
0.53
3500
0.73
4000
0.95
5D
5D
24 in. x 24 in. (610mm x 610mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.01
1000
0.02
1500
0.06
2000
0.10
2500
0.16
3000
0.23
3500
0.32
4000
0.42
Greenheck Fan Corporation certifies that the
model SMD-301 shown herein is licensed to bear
the AMCA Seal. The ratings shown are based on
tests and procedures performed in accordance
with AMCA Publication 511 and comply with
the requirements of the AMCA Certified Ratings
R
Programs. The AMCA Certified Ratings Seal
applies to air performance ratings only.
36in. x 36 in. (914mm x 914mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.01
1000
0.02
1500
0.05
2000
0.09
2500
0.14
3000
0.21
3500
0.29
4000
0.38
6D
4 (W) (H)
D
3.14
24x24
12in. X 48 in. (305mm x 1219mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.01
1000
0.02
1500
0.06
2000
0.10
2500
0.16
3000
0.24
3500
0.33
4000
0.43
SMD-301
48 in. x 12 in. (1219mm x 305mm)
Pressure Drop
Velocity (fpm)
(in. wg)
500
0.01
1000
0.04
1500
0.10
2000
0.18
2500
0.29
3000
0.42
3500
0.57
4000
0.74
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